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ID 1718

Chicken (Gallus gallus)

Description:
The domesticated chicken is a modern descendant of dinosaurs. It is the premier non-mammalian model organism and provides a new perspective on vertebrate genome evolution.
Transcript:
The domesticated chicken is a modern descendant of dinosaurs. It is the premier non-mammalian model organism with a large international research community dedicated to developing and sharing information. The chicken provides a new perspective on vertebrate genome evolution. Its genome is composed of approximately one billion base pairs and approximately 20,000-23,000 genes organized in 39 chromosome pairs. Although it shares a similar number of genes, the chicken’s genome is only about a third the size of mammalian genomes. This reflects a reduction in interspersed repeat content, pseudogenes and duplications. There are hundreds of mutant chicken stocks and inbred lines available for study. Research using the chicken as a model organism has resulted in important discoveries in virology, immunology, oncology, vertebrate development, genetics and evolution.
Keywords:
Chicken, Gallus gallus, model, systems, organism, vertebrate development, dinosaurs, non-mammalian,
Creative Commons License This work by Cold Spring Harbor Laboratory is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 United States License.

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